Accessory for a siding lineal corner



FIG. 1 is a top plan view of a accessory for a sliding lineal corner;

FIG. 2 is an left edge elevation view with the opposite view being a mirror image; and,

FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 1.

The undisclosed bottom plan view is not part of the claimed design. 

The ornamental design for a accessory for a siding lineal corner, as shown and described. 